SOS MECHANIC CERTIFICATION BUNDLE
EXAM STUDY GUIDE 2026 QUESTIONS WITH
FULL SOLUTIONS
◉ Why don't disc brake system usually need adjustment? Answer: A
certain amount of pressure is maintained by the metering valve
◉ The front brakes of a car equipped with disc brakes in the front
and drum brakes in the rear, grab quickly as light pressure is applied
to the brake pedal, which of the following could be the cause of the
problem? Answer: Defective metering valve
◉ The brake warning light on the dash stays on all the time, which of
the following could be the cause of the problem? Answer: A problem
in the hydraulic circuit
◉ Which of the following would be the LEAST likely cause for an
intermittent problem in an ABS system? Answer: Open wheel sensor
circuit
◉ The brake lights on a car do not light when the brake pedal is
depressed, which of the following is the LEAST likely cause of the
problem? Answer: A burned out bulb.
, ◉ Which of the following incorrect service procedures could cause
brake pedal pulsation? Answer: incorrect run-out on the car brake
lathe
◉ What type of rotor surface provides the best braking with new
pads? Answer: A smooth, flat surface
◉ which of the following is a quick way to isolated a defective
master cylinder? There are no external leaks in the system. Answer:
pump up the brake pedal, then hold it firm. if the pedal slowly drops
to the floor, the master cylinder may be defective.
◉ A common cause of pedal pulsation during brake application is:
Answer: NOT caused by improperly torqued wheels, damaged
backing plates, or lubricated shims
◉ the car is at reset. When you slowly apply the brake pedal you
hear a squeaking noise at the rear of the vehicle. what could cause
this noise? Answer: dry backing plate contact surfaces
◉ While test driving a car, the mechanic finds that the right front
brake "grabs". The most likely cause of this problem is: Answer:
brake fluid or grease on the brake linings
EXAM STUDY GUIDE 2026 QUESTIONS WITH
FULL SOLUTIONS
◉ Why don't disc brake system usually need adjustment? Answer: A
certain amount of pressure is maintained by the metering valve
◉ The front brakes of a car equipped with disc brakes in the front
and drum brakes in the rear, grab quickly as light pressure is applied
to the brake pedal, which of the following could be the cause of the
problem? Answer: Defective metering valve
◉ The brake warning light on the dash stays on all the time, which of
the following could be the cause of the problem? Answer: A problem
in the hydraulic circuit
◉ Which of the following would be the LEAST likely cause for an
intermittent problem in an ABS system? Answer: Open wheel sensor
circuit
◉ The brake lights on a car do not light when the brake pedal is
depressed, which of the following is the LEAST likely cause of the
problem? Answer: A burned out bulb.
, ◉ Which of the following incorrect service procedures could cause
brake pedal pulsation? Answer: incorrect run-out on the car brake
lathe
◉ What type of rotor surface provides the best braking with new
pads? Answer: A smooth, flat surface
◉ which of the following is a quick way to isolated a defective
master cylinder? There are no external leaks in the system. Answer:
pump up the brake pedal, then hold it firm. if the pedal slowly drops
to the floor, the master cylinder may be defective.
◉ A common cause of pedal pulsation during brake application is:
Answer: NOT caused by improperly torqued wheels, damaged
backing plates, or lubricated shims
◉ the car is at reset. When you slowly apply the brake pedal you
hear a squeaking noise at the rear of the vehicle. what could cause
this noise? Answer: dry backing plate contact surfaces
◉ While test driving a car, the mechanic finds that the right front
brake "grabs". The most likely cause of this problem is: Answer:
brake fluid or grease on the brake linings
